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Worksheets3.2 Covalent Bonding
Total questions: 10
Worksheet time: 5mins
What is the process by which atoms form covalent bonds?
Transferring electrons
Absorbing neutrons
Sharing electrons
Sharing protons
What is the name of the diagram used to represent the sharing of electrons in covalent bonds?
Dot and Circle diagram
Cross and Square diagram
Circle and Line diagram
Dot and Cross diagram
What is the downside of using displayed formulas to represent covalent molecules?
They are not widely accepted
They are not accurate
They don't show the 3D shape of the molecule
They are difficult to draw
What are polymers made up of?
Ions
Monomers
Molecules
Atoms
What are the examples of simple molecular substances?
Graphite
Sodium chloride
Water
Oxygen
What are giant covalent structures made up of?
Repeating units
Regular lattice
Long chains
Small molecules
What are the individual atoms in simple molecular substances joined by?
Intermolecular forces
Metallic bonds
Covalent bonds
Ionic bonds
What is the maximum number of electrons that hydrogen can hold in its first energy level?
6
2
10
8
What is the molecular formula of ammonia?
NH3
H2O
CH4
NH4+
What is the reason for atoms to transfer electrons in ionic bonding?
To get a full outer shell
To form a strong bond
To become positively charged
To increase the number of protons
